NCP372(2009) 데이터 시트보기 (PDF) - ON Semiconductor
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NCP372
(Rev.:2009)
(Rev.:2009)
ON Semiconductor
NCP372 Datasheet PDF : 12 Pages
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NCP372
ELECTRICAL CHARACTERISTICS (Vin = 5 V, Minimum/Maximum limits at −40°C < TA < +85°C unless otherwise noted. Typical
values are at TA = +25°C)
Characteristics
Symbols
Conditions
Min Typ Max Unit
Input Voltage Range
Input Voltage
Undervoltage Lockout Threshold
Vin
Vinmin
UVLO
EN = low or high, Vout = 0 V
EN = low or high, Vout = 4.25V
Vin falls below UVLO Threshold
−28
28
V
−24
V
2.6
2.7
2.8
V
Undervoltage Lockout
Hysteresis
UVLOhyst
Vin rises above UVLO Threshold + UVLOhyst
45
60
75 mV
Over voltage Lockout Threshold
NCP372MUAITXG
OVLO
Vin rises above OVLO threshold
6.0
6.3
6.6
V
Overvoltage Lockout Hysteresis
Vin to Vout Resistance
OVLOhyst
RDS(on)
Input Standby Current
Input Supply Quiescent Current
IddSTD
IddIN
Vin falls below to OVLO − OVLOhyst
Vin = 5 V, EN = low, Load Connected to Vout
Vin = 5 V, EN = low,
Load Connected to Vout @ 25°C
No Load. EN = high, Vin connected
25°C
Overtemperature Range
60
80 100 mV
130 220 mW
130 200
90 170 mA
200 260 mA
310
Minimum DC Current
FLAG Output Low Voltage
ICHG
Volflag
Output Load, Vin = 5.5 V, EN = low
1.2 V < Vin < UVLO
Sink 50 mA on FLAG Pin
1.3
A
30 400 mV
FLAG Leakage Current
EN Voltage High
EN Voltage Low
EN Leakage Current
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
TIMINGS
FLAGleak
VihEN
VilEN
ENleak
TSD
TSDHYST
Vin > OVLO, Sink 1 mA on FLAG Pin
FLAG Level = 5.5 V
Vin connected
Vin disconnected
400
1.0
nA
1.2
V
0.55 V
200
nA
1.0
150
°C
30
°C
Start Up Delay
FLAG Going Up Delay
Turn Off Delay
Alert Delay
Disable Time
ton
From Vin > UVLO to Vout w 0.3 V
20
30
40 ms
tstart
From Vout > 0.3 V to FLAG = 1.2 V
20
30
40 ms
toff
From Vin > OVLO to Vout v 0.3 V
Vin Increasing from 5 V to 8 V at 3 V/ms
1.5 5.0 ms
tstop
From Vin > OVLO to FLAG v 0.4 V See Figure 3
1.5
ms
and 9 Vin Increasing from 5 V to 8 V at 3 V/ms
tdis
EN = 0.4 V to 1.2 V to Vout v 0.3 V
2.5
ms
NOTE: Electrical parameters are guaranteed by correlation across the full range of temperature.
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